Hydrogen storage alloy electrode and method for manufacturing the same
    1.
    发明授权
    Hydrogen storage alloy electrode and method for manufacturing the same 有权
    储氢合金电极及其制造方法

    公开(公告)号:US06309779B1

    公开(公告)日:2001-10-30

    申请号:US09502537

    申请日:2000-02-11

    IPC分类号: H01M438

    摘要: A hydrogen storage alloy electrode having a high capacity and excellent cycle characteristics is provided. The electrode is made from particulate active material comprising a hydrogen storage alloy of body-centered cubic crystal structure or body-centered tetragonal crystal structure, said hydrogen storage alloy being represented by the general formula TiaM1bCrcM2dLe, wherein M1 is at least one element selected from the group consisting of Nb and Mo; M2 is at least one element selected from the group consisting of Mn, Fe, Co, Cu, V, Zn, Zr, Ag, Hf, Ta, W, Al, Si, C, N, P and B; L is at least one element selected from the group consisting of rare-earth elements and Y; 0.2≦a≦0.7; 0.01≦b≦0.4; 0.1≦c≦0.7; 0≦d≦0.3; 0≦e≦0.03; and a+b+c+d+e=1.0, and said particulate active material having a Ti—Ni system alloy phase in the surface portion thereof.

    摘要翻译: 提供具有高容量和优异的循环特性的储氢合金电极。 电极由包含体心立方晶体结构或体心四方晶体结构的储氢合金的粒状活性物质制成,所述储氢合金由通式TiaM1bCrcM2dLe表示,其中M1为选自 由Nb和Mo组成的组; M2是选自Mn,Fe,Co,Cu,V,Zn,Zr,Ag,Hf,Ta,W,Al,Si,C,N,P和B中的至少一种元素; L是选自由稀土元素和Y组成的组中的至少一种元素; 0.2 <= a <= 0.7; 0.01 <= b <= 0.4; 0.1 <= c <= 0.7; 0 <= d <= 0.3; 0 <= e <= 0.03; a + b + c + d + e = 1.0,所述粒状活性物质在其表面部分具有Ti-Ni系合金相。

    Hydrogen storage alloy electrode
    2.
    发明授权
    Hydrogen storage alloy electrode 失效
    储氢合金电极

    公开(公告)号:US6048644A

    公开(公告)日:2000-04-11

    申请号:US38921

    申请日:1998-03-12

    IPC分类号: H01M4/24 H01M4/38

    摘要: The present invention provides a hydrogen storage alloy electrode high in capacity and exceptional in cycle life characteristic by improving a conventional V-based hydrogen storage alloy of a body-centered cubic structure. The electrode comprises particles of a hydrogen storage alloy represented by the general formula V.sub.1-a-b-c-d Ti.sub.a Cr.sub.b M.sub.c L.sub.d, wherein M is at least one element selected from the group consisting of Mn, Fe, Co, Cu, Nb, Zn, Zr, Mo, Ag, Hf, Ta, W, Al, Si, C, N, P and B, and L is at least one element selected from the group consisting of Y and rare earth elements, and 0.2.ltoreq.a.ltoreq.0.5, 0.1.ltoreq.b.ltoreq.0.4, 0.ltoreq.c.ltoreq.0.2 and 0

    摘要翻译: 本发明通过改进体心立方结构的常规V型储氢合金,提供了一种容量高,循环寿命特性极佳的储氢合金电极。 电极包含由通式V1-abc-dTiaCrbMcLd表示的储氢合金颗粒,其中M是选自Mn,Fe,Co,Cu,Nb,Zn,Zr,Mo,Ag中的至少一种元素 ,Hf,Ta,W,Al,Si,C,N,P和B,L是选自Y和稀土元素中的至少一种元素,0.2≤n≤0.5,0.1 该合金具有体心立方结构,其中,所述合金具有体心立方结构。 优选合金粒子的表面配置有Ni扩散层。

    Hydrogen storage alloy and electrode therefrom
    4.
    发明授权
    Hydrogen storage alloy and electrode therefrom 失效
    储氢合金及其电极

    公开(公告)号:US5738736A

    公开(公告)日:1998-04-14

    申请号:US683559

    申请日:1996-07-15

    IPC分类号: C01B3/00 H01M4/38 C22C14/00

    摘要: The present invention provides an improved hydrogen storage alloy of Ti--V--Ni system having a body-centered cubic structure. The alloy is of the general formula Ti.sub.x (V.sub.a Cr.sub.1-a).sub.1-x M.sub.b Ni.sub.c, wherein M represents at least one element of La and Ce or a mischmetal, and wherein 0.5.ltoreq.a.ltoreq.0.95, 0.01.ltoreq.b.ltoreq.0.1, 0.1.ltoreq.c.ltoreq.0.6, and 0.2.ltoreq.x.ltoreq.0.4; or Ti.sub.x V.sub.y M.sub.z Ni.sub.1-x-y-z, wherein M represents at least one element selected from the group consisting of Co, Fe, Cu, and Ag, and wherein 0.2.ltoreq.x.ltoreq.0.4, 0.3.ltoreq.y.ltoreq.0.7, 0.1.ltoreq.z.ltoreq.0.3, and 0.6.ltoreq.x+y+z.ltoreq.0.95.

    摘要翻译: 本发明提供了具有体心立方结构的Ti-V-Ni体系的改进的储氢合金。 该合金具有通式Tix(VaCr1-a)1-xMbNic,其中M表示La和Ce中的至少一种元素或混合稀土金属,并且其中0.5≤a≤0.95,0.01≤b< /=0.1,0.1≤n≤0.6,0.2≤x≤0.4; 或TixVyMzNi1-xyz,其中M表示选自Co,Fe,Cu和Ag中的至少一种元素,其中0.2≤x≤0.4,0.3≤y≤0.7,0.1

    Positive electrode and lithium battery using the same
    5.
    发明授权
    Positive electrode and lithium battery using the same 失效
    正极和锂电池使用相同

    公开(公告)号:US06576370B1

    公开(公告)日:2003-06-10

    申请号:US09557420

    申请日:2000-04-21

    IPC分类号: H01M458

    摘要: The present invention provides a positive electrode, which contains at least one organic sulfide compound selected from the group consisting of a thiolato compound and a thiol compound, and at least one selected from the group consisting of sulfur and a lithium sulfide represented by Formula (1): (LixS)n, where 0 0, a method of manufacturing the positive electrode, and a lithium battery using the positive electrode. Compared with the prior art lithium battery, the lithium battery using the positive electrode of the present invention has a greater capacity and a higher voltage. The positive electrode of the present invention effectively suppresses escape of the positive electrode active material from the positive electrode during charge and discharge operations and thus actualizes a secondary battery of high energy density having a less decrease in service capacity.

    摘要翻译: 本发明提供一种正极,其含有选自由硫醇化合物和硫醇化合物组成的组中的至少一种有机硫化合物,以及选自由式(1)表示的硫和硫化锂中的至少一种 ):(LixS)n,其中0 0,制造正极的方法和使用正极的锂电池。 与现有技术的锂电池相比,使用本发明的正极的锂电池具有更大的容量和更高的电压。 本发明的正极在充放电操作中有效地抑制了正极活性物质从正极逸出,从而实现了具有较低的使用能力降低的高能量密度的二次电池。

    Method for detecting fully charged condition of secondary battery and
detector using the same
    7.
    发明授权
    Method for detecting fully charged condition of secondary battery and detector using the same 失效
    用于检测二次电池的完全充电状态的方法及使用其的检测器

    公开(公告)号:US6144188A

    公开(公告)日:2000-11-07

    申请号:US304689

    申请日:1999-05-04

    CPC分类号: H02J7/0088

    摘要: The present invention provides a method for detecting a fully charged condition of a secondary battery by which the fully charged condition of a secondary battery can be detected accurately and deterioration in battery characteristic due to overcharging can be restrained irrespective of the charging mode and the surroundings, without the need for a special battery structure. In the method, pulse vibrations generated inside a secondary battery being charged are detected, and when the obtained characteristic value of the pulse vibrations, for example, incidence of generation of the vibrations reaches a predetermined value, the secondary battery is determined to be in fully charged condition.

    摘要翻译: 本发明提供一种用于检测二次电池的完全充电状态的方法,通过该二次电池的充满电状态可以精确地检测二次电池的充满电状态,并且可以抑制由于过充电导致的电池特性的劣化,而与充电模式和周围环境无关, 而不需要特殊的电池结构。 在该方法中,检测在正在充电的二次电池内产生的脉冲振动,并且当获得的脉冲振动的特征值例如振动的产生的发生率达到预定值时,二次电池被确定为完全 充电状态。

    Nickel hydroxide positive electrode active material having a surface
layer containing a solid solution nickel hydroxide with manganese
incorporated therein
    8.
    发明授权
    Nickel hydroxide positive electrode active material having a surface layer containing a solid solution nickel hydroxide with manganese incorporated therein 失效
    氢氧化镍正极活性物质,其表面层含有含有锰的固溶体氢氧化镍

    公开(公告)号:US6066416A

    公开(公告)日:2000-05-23

    申请号:US120544

    申请日:1998-07-22

    IPC分类号: C01G53/00 H01M4/52 H01M4/32

    摘要: A positive electrode active material and a positive electrode for an alkaline storage battery are disclosed which exhibit high charge efficiency at a high temperature. The positive electrode active material comprises particles formed by agglomeration of crystals of nickel hydroxide active material, at least the surface layer of the particles containing a solid solution nickel hydroxide with manganese incorporated therein. The solid solution is present as crystals growing on the crystal surface of said nickel hydroxide active material and/or crystals independent of crystals of the nickel hydroxide active material. The content of manganese in the solid solution is at least one mole percent on the whole metal ions in the solid solution and not higher than 10 mole percent on the combined total amount of the metal ions in the nickel hydroxide active material and the solid solution. The positive electrode for an alkaline storage battery contains the above-mentioned active material and a compound of at least one element selected from the group consisting of Ca, Sr, Ba, Cu, Ag, Cd, Y and Yb.

    摘要翻译: 公开了一种在高温下表现出高充电效率的正极活性物质和碱性蓄电池用正极。 正极活性物质包括由氢氧化镍活性物质的晶体聚集形成的颗粒,至少含有其中掺入锰的固溶体氢氧化镍的颗粒的表面层。 固体溶液以不依赖于氢氧化镍活性物质晶体的氢氧化镍活性物质和/或晶体的晶体表面生长的晶体存在。 固溶体中的锰含量相对于固溶体中的全部金属离子为至少1摩尔%,并且不高于氢氧化镍活性物质和固溶体中的金属离子总量的10摩尔%。 碱性蓄电池用正极含有上述活性物质和选自Ca,Sr,Ba,Cu,Ag,Cd,Y和Yb中的至少一种元素的化合物。

    Non-aqueous electrolyte secondary battery and method for manufacturing the same
    9.
    发明授权
    Non-aqueous electrolyte secondary battery and method for manufacturing the same 有权
    非水电解质二次电池及其制造方法

    公开(公告)号:US06733927B1

    公开(公告)日:2004-05-11

    申请号:US09762220

    申请日:2001-03-23

    IPC分类号: H01M614

    摘要: In a non-aqueous electrolyte secondary battery, the reaction between the non-aqueous electrolyte and the electrode is suppressed to reduce a decrease in the discharge capacity with the charge/discharge cycle progress and the deterioration of battery characteristics during high-temperature storage. At least one of a chargeable and dischargeable positive electrode, a non-aqueous electrolyte containing a lithium salt, and a chargeable and dischargeable negative electrode in a non-aqueous electrolyte secondary battery contains at least one selected from the group consisting of a phosphate having three aliphatic hydrocarbon groups having 7 to 12 carbon atoms, a phosphate having two aliphatic hydrocarbon groups having 1 to 12 carbon atoms or an aromatic hydrocarbon group, and a phosphate having an aliphatic hydrocarbon group having 1 to 12 carbon atoms or an aromatic hydrocarbon group.

    摘要翻译: 在非水电解质二次电池中,抑制非水电解质和电极之间的反应,以便在高温保存期间充放电循环进行和电池特性的劣化来减小放电容量的降低。 在非水电解质二次电池中,可充电和放电的正电极,含有锂盐的非水电解质和可充电和可放电的负极中的至少一种包含选自三价磷酸盐中的至少一种 碳原子数为7〜12的脂肪族烃基,碳原子数1〜12的2个脂肪族烃基或芳香族烃基的磷酸酯,碳原子数为1〜12的脂肪族烃基或芳香族烃基的磷酸酯。

    Nickel positive electrode for alkaline storage batteries
    10.
    发明授权
    Nickel positive electrode for alkaline storage batteries 有权
    碱性蓄电池镍正极

    公开(公告)号:US06562516B2

    公开(公告)日:2003-05-13

    申请号:US09800384

    申请日:2001-03-06

    IPC分类号: H01M452

    CPC分类号: H01M4/52

    摘要: Disclosed is a nickel positive electrode for alkaline storage batteries with superb utilization of nickel hydroxide in an atmosphere from room temperature to high temperature. The positive electrode comprises a nickel hydroxide particle or a nickel hydroxide particle with one or more elements other than Ni incorporated therein, a coating layer which comprises a compound of cobalt having a mean valence over 2 and which coats the nickel hydroxide particle, and a compound of at least one element selected from the group consisting of Ca, Sr, Ba, Cu, Ag, Cd, Y, Yb, Ce, Sm, Gd and Er.

    摘要翻译: 公开了一种在室温至高温的气氛中极好地利用氢氧化镍的碱性蓄电池用镍正极。 正电极包括氢氧化镍颗粒或氢氧化镍颗粒,其中包含除了Ni之外的一种或多种元素,包含平均价高于2的钴化合物并涂覆氢氧化镍颗粒的涂层和化合物 的选自由Ca,Sr,Ba,Cu,Ag,Cd,Y,Yb,Ce,Sm,Gd和Er组成的组中的至少一种元素。